优化取名逻辑
This commit is contained in:
cjd
@@ -1,204 +1,350 @@
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Text;
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using System.Text.Encodings.Web;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using DouyinApi.Common.Option;
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using DouyinApi.IServices;
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using DouyinApi.Model.Naming;
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using DouyinApi.Services.Naming;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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namespace DouyinApi.Services
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namespace DouyinApi.Services;
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public class NamingService : INamingService
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{
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public class NamingService : INamingService
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private static readonly Regex SurnamePattern = new(@"^[\u4e00-\u9fa5]{1,2}$", RegexOptions.Compiled);
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private readonly IHttpClientFactory _httpClientFactory;
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private readonly DeepSeekOptions _deepSeekOptions;
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private readonly ILogger<NamingService> _logger;
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private readonly BaziCalculator _baziCalculator = new();
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private readonly FallbackNameGenerator _fallbackGenerator = new();
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public NamingService(
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IHttpClientFactory httpClientFactory,
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IOptions<DeepSeekOptions> deepSeekOptions,
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ILogger<NamingService> logger)
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{
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private static readonly Regex SurnameRegex = new(@"^[\u4e00-\u9fa5]{1,2}$", RegexOptions.Compiled);
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_httpClientFactory = httpClientFactory ?? throw new ArgumentNullException(nameof(httpClientFactory));
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_deepSeekOptions = deepSeekOptions?.Value ?? new DeepSeekOptions();
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_logger = logger ?? throw new ArgumentNullException(nameof(logger));
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}
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private static readonly IReadOnlyList<char> MaleCharacters = new[]
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public Task<bool> ValidateSurnameAsync(string surname)
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{
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if (string.IsNullOrWhiteSpace(surname))
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{
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'辰', '昇', '曜', '瀚', '宸', '沐', '景', '霖', '晟', '玥', '骁', '煜', '澜', '珩', '聿', '澄', '钧'
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};
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private static readonly IReadOnlyList<char> FemaleCharacters = new[]
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{
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'瑶', '霏', '婉', '绮', '璇', '芷', '乂', '灵', '沁', '语', '晴', '若', '绫', '芸', '络', '梦', '澜'
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};
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private static readonly IReadOnlyList<char> NeutralCharacters = new[]
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{
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'玄', '洛', '岚', '澈', '岑', '泓', '澜', '烨', '闻', '黎', '墨', '夙', '羲', '霆', '渊', '翎'
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};
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private static readonly Dictionary<char, string> CharacterMeanings = new()
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{
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['辰'] = "辰曜星光",
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['昇'] = "旭日东升",
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['曜'] = "光耀万里",
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['瀚'] = "瀚海无垠",
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['宸'] = "王者气度",
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['沐'] = "沐浴祥瑞",
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['景'] = "景行德高",
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['霖'] = "甘霖润泽",
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['晟'] = "光明昌盛",
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['玥'] = "王者之玉",
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['骁'] = "英勇不屈",
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['煜'] = "照耀四方",
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['澜'] = "碧波浩渺",
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['珩'] = "璞玉内敛",
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['聿'] = "持守正道",
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['澄'] = "心境澄明",
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['钧'] = "乾坤平衡",
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['瑶'] = "瑶光琼华",
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['霏'] = "霏霏瑞雪",
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['婉'] = "柔婉清扬",
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['绮'] = "绮丽灵动",
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['璇'] = "璇玑回转",
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['芷'] = "香草高洁",
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['乂'] = "安然有序",
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['灵'] = "灵秀夺目",
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['沁'] = "沁心甘露",
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['语'] = "言语有光",
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['晴'] = "晴空暖阳",
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['若'] = "若水明澈",
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['绫'] = "绫罗轻盈",
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['芸'] = "芸芸芳草",
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['络'] = "络绎华彩",
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['梦'] = "梦想成真",
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['玄'] = "玄妙莫测",
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['洛'] = "洛水灵韵",
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['岚'] = "山岚清气",
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['澈'] = "心境通透",
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['岑'] = "峻岭深沉",
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['泓'] = "泓泉清澈",
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['烨'] = "火光通明",
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['闻'] = "名闻四海",
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['黎'] = "黎明曙光",
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['墨'] = "墨香书韵",
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['夙'] = "夙愿成真",
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['羲'] = "伏羲灵息",
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['霆'] = "雷霆万钧",
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['渊'] = "渊源深厚",
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['翎'] = "翎羽轻灵"
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};
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private static readonly string[] Blessings =
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{
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"引瑞气入怀，扶摇直上",
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"承先祖之德，守家风之和",
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"与四时共鸣，步步生辉",
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"纳天地灵气，行稳致远",
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"凝万象之精魄，护佑昌隆",
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"藏锋于怀，静待时来",
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"兼济天下情怀，拥抱广阔未来"
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};
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public Task<bool> ValidateSurnameAsync(string surname)
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{
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if (string.IsNullOrWhiteSpace(surname))
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{
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return Task.FromResult(false);
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}
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return Task.FromResult(SurnameRegex.IsMatch(surname.Trim()));
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return Task.FromResult(false);
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}
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public async Task<NamingResponse> GenerateNamesAsync(NamingRequest request)
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return Task.FromResult(SurnamePattern.IsMatch(surname.Trim()));
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}
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public async Task<NamingResponse> GenerateNamesAsync(NamingRequest request)
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{
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if (request == null)
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{
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if (request == null)
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throw new ArgumentNullException(nameof(request));
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}
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if (!await ValidateSurnameAsync(request.Surname).ConfigureAwait(false))
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{
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throw new ArgumentException("invalid_surname");
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}
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var birthDateTime = ComposeBirthDateTime(request);
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var baziProfile = _baziCalculator.Calculate(birthDateTime);
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var analysis = BuildAnalysis(request, baziProfile);
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var suggestions = await TryGenerateViaDeepSeekAsync(request, baziProfile).ConfigureAwait(false);
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if (!suggestions.Any())
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{
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suggestions = _fallbackGenerator.Generate(request, baziProfile);
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}
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return new NamingResponse
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{
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Analysis = analysis,
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Results = suggestions
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};
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}
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private static DateTime ComposeBirthDateTime(NamingRequest request)
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{
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var dateFormats = new[] { "yyyy-MM-dd", "yyyy/M/d", "yyyy.M.d" };
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if (!DateTime.TryParseExact(request.BirthDate, dateFormats, CultureInfo.InvariantCulture, DateTimeStyles.None, out var datePart))
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{
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datePart = DateTime.Today;
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}
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if (!string.IsNullOrWhiteSpace(request.BirthTime) &&
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TimeSpan.TryParse(request.BirthTime, CultureInfo.InvariantCulture, out var timePart))
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{
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return datePart.Date.Add(timePart);
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}
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return datePart.Date.AddHours(12);
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}
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private static NamingAnalysis BuildAnalysis(NamingRequest request, BaziProfile profile)
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{
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var pillars = new List<string>
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{
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$"{profile.YearStem}{profile.YearBranch}年",
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$"{profile.MonthStem}{profile.MonthBranch}月",
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$"{profile.DayStem}{profile.DayBranch}日",
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$"{profile.HourStem}{profile.HourBranch}时"
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};
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var distribution = profile.ElementOrder
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.Select(element => new FiveElementScore
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{
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throw new ArgumentNullException(nameof(request));
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Element = element,
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Count = profile.ElementCounts[element]
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})
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.ToList();
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var summaryBuilder = new StringBuilder();
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summaryBuilder.Append("八字：");
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summaryBuilder.Append(string.Join("｜", pillars));
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summaryBuilder.Append("。五行分布：");
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summaryBuilder.Append(string.Join("、", distribution.Select(d => $"{d.Element}{d.Count}")));
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if (profile.IsBalanced)
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{
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summaryBuilder.Append("。五行较为均衡，可结合个人志趣择名。");
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}
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else
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{
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var weak = string.Join("、", profile.WeakElements);
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summaryBuilder.Append("。");
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summaryBuilder.Append($"命局中{weak}之气偏弱，宜以对应意象入名调和。");
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}
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return new NamingAnalysis
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{
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MatchSummary = summaryBuilder.ToString(),
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Pillars = pillars,
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ElementDistribution = distribution
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};
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}
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private async Task<IReadOnlyList<NamingSuggestion>> TryGenerateViaDeepSeekAsync(NamingRequest request, BaziProfile profile)
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{
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if (IsDeepSeekConfigInvalid())
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{
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return Array.Empty<NamingSuggestion>();
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}
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try
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{
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var client = _httpClientFactory.CreateClient();
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client.Timeout = TimeSpan.FromSeconds(_deepSeekOptions.TimeoutSeconds > 0 ? _deepSeekOptions.TimeoutSeconds : 15);
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var httpRequest = BuildDeepSeekRequest(request, profile);
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httpRequest.Headers.Authorization = new AuthenticationHeaderValue("Bearer", _deepSeekOptions.ApiKey);
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httpRequest.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
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var response = await client.SendAsync(httpRequest).ConfigureAwait(false);
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var payload = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
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if (!response.IsSuccessStatusCode)
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{
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_logger.LogWarning("DeepSeek 调用失败，状态码：{StatusCode}，返回：{Payload}", (int)response.StatusCode, payload);
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return Array.Empty<NamingSuggestion>();
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}
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if (!await ValidateSurnameAsync(request.Surname))
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return ParseDeepSeekResponse(payload, request);
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "DeepSeek 调用异常，启用兜底逻辑");
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return Array.Empty<NamingSuggestion>();
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}
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}
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private HttpRequestMessage BuildDeepSeekRequest(NamingRequest request, BaziProfile profile)
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{
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var endpoint = string.IsNullOrWhiteSpace(_deepSeekOptions.BaseUrl)
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? "https://api.deepseek.com/v1/chat/completions"
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: $"{_deepSeekOptions.BaseUrl.TrimEnd('/')}/chat/completions";
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var context = new
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{
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surname = request.Surname,
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gender = request.Gender,
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nameLength = request.NameLength,
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birthDate = request.BirthDate,
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birthTime = request.BirthTime,
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pillars = new
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{
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throw new ArgumentException("invalid_surname");
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year = $"{profile.YearStem}{profile.YearBranch}",
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month = $"{profile.MonthStem}{profile.MonthBranch}",
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day = $"{profile.DayStem}{profile.DayBranch}",
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hour = $"{profile.HourStem}{profile.HourBranch}"
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},
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elementDistribution = profile.ElementOrder.ToDictionary(
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element => element,
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element => profile.ElementCounts[element]),
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weakElements = profile.WeakElements,
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strongElements = profile.StrongElements,
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isBalanced = profile.IsBalanced
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};
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var contextJson = JsonSerializer.Serialize(context, new JsonSerializerOptions
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{
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Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
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});
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var lengthDescriptor = string.Equals(request.NameLength, "single", StringComparison.OrdinalIgnoreCase) ? "单字" : "双字";
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var genderLabel = string.Equals(request.Gender, "female", StringComparison.OrdinalIgnoreCase) ? "女孩" : "男孩";
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var userPrompt = new StringBuilder();
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userPrompt.AppendLine("请扮演专业的中华姓名学顾问，根据八字五行提出姓名建议。");
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userPrompt.AppendLine($"需基于以下 JSON 数据为姓氏“{request.Surname}”的{genderLabel}提供 5 个{lengthDescriptor}中文名字：");
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userPrompt.AppendLine(contextJson);
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userPrompt.AppendLine("要求：");
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userPrompt.AppendLine("1. 每条建议输出对象包含 name、meaning、fiveElementReason 三个字段；");
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userPrompt.AppendLine("2. 所有汉字需为生活常用的简体字，单字笔画尽量小于等于 12；");
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userPrompt.AppendLine("3. name 必须包含姓氏且满足给定的字数；");
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userPrompt.AppendLine("4. fiveElementReason 需指明所补足的五行依据。");
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userPrompt.AppendLine("请仅返回 JSON 数据，格式为 {\"suggestions\":[{...}]}，不要附加额外说明。");
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var requestBody = new
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{
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model = _deepSeekOptions.Model,
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temperature = _deepSeekOptions.Temperature,
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max_tokens = _deepSeekOptions.MaxTokens,
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messages = new[]
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{
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new { role = "system", content = "你是一名资深的中文姓名学专家，擅长根据八字喜用神给出实用建议。" },
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new { role = "user", content = userPrompt.ToString() }
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}
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};
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var message = new HttpRequestMessage(HttpMethod.Post, endpoint)
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{
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Content = new StringContent(JsonSerializer.Serialize(requestBody), Encoding.UTF8, "application/json")
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};
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return message;
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}
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private IReadOnlyList<NamingSuggestion> ParseDeepSeekResponse(string payload, NamingRequest request)
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{
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try
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{
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using var document = JsonDocument.Parse(payload);
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var choices = document.RootElement.GetProperty("choices");
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if (choices.ValueKind != JsonValueKind.Array || choices.GetArrayLength() == 0)
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{
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return Array.Empty<NamingSuggestion>();
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}
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var seed = CreateSeed(request);
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var random = new Random(seed);
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var pool = request.Gender == "female" ? FemaleCharacters : MaleCharacters;
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var fallbackPool = NeutralCharacters;
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var content = choices[0]
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.GetProperty("message")
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.GetProperty("content")
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.GetString();
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var suggestions = new List<NamingSuggestion>();
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var attempts = 0;
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while (suggestions.Count < 5 && attempts < 100)
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if (string.IsNullOrWhiteSpace(content))
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{
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attempts++;
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var given = GenerateGivenName(request.NameLength, pool, fallbackPool, random);
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var fullName = $"{request.Surname}{given}";
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if (suggestions.Any(s => s.Name == fullName))
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return Array.Empty<NamingSuggestion>();
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}
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using var suggestionsDoc = JsonDocument.Parse(content);
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if (!suggestionsDoc.RootElement.TryGetProperty("suggestions", out var suggestionsElement) ||
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suggestionsElement.ValueKind != JsonValueKind.Array)
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{
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return Array.Empty<NamingSuggestion>();
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}
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var normalized = new List<NamingSuggestion>();
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var uniqueNames = new HashSet<string>(StringComparer.Ordinal);
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foreach (var item in suggestionsElement.EnumerateArray())
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{
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var name = item.GetPropertyOrDefault("name");
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var meaning = item.GetPropertyOrDefault("meaning");
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var reason = item.GetPropertyOrDefault("fiveElementReason");
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if (string.IsNullOrWhiteSpace(name))
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{
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continue;
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}
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var meaning = ComposeMeaning(request.Surname, given, request.BirthDate, request.BirthTime, random);
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suggestions.Add(new NamingSuggestion
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name = name.Trim();
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if (!name.StartsWith(request.Surname, StringComparison.Ordinal))
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{
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Name = fullName,
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Meaning = meaning
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});
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}
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if (!suggestions.Any())
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{
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suggestions.Add(new NamingSuggestion
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{
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Name = $"{request.Surname}玄珏",
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Meaning = "玄珠映月，珏石生辉，与生辰相应，寓意行稳致远"
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});
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}
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return new NamingResponse
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{
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Results = suggestions
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};
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}
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private static int CreateSeed(NamingRequest request)
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{
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var raw = $"{request.Surname}-{request.Gender}-{request.BirthDate}-{request.BirthTime}-{request.NameLength}";
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var bytes = SHA256.HashData(Encoding.UTF8.GetBytes(raw));
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return Math.Abs(BitConverter.ToInt32(bytes, 0));
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}
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private static string GenerateGivenName(
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string nameLength,
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IReadOnlyList<char> primaryPool,
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IReadOnlyList<char> fallbackPool,
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Random random)
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{
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var buffer = new StringBuilder();
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var length = nameLength == "single" ? 1 : 2;
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for (var i = 0; i < length; i++)
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{
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var pool = (i == 0) ? primaryPool : fallbackPool;
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buffer.Append(pool[random.Next(pool.Count)]);
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}
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return buffer.ToString();
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}
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|
||||
private static string ComposeMeaning(string surname, string given, string birthDate, string birthTime, Random random)
|
||||
{
|
||||
var fragments = new List<string>();
|
||||
foreach (var ch in given)
|
||||
{
|
||||
if (CharacterMeanings.TryGetValue(ch, out var desc))
|
||||
{
|
||||
fragments.Add(desc);
|
||||
name = $"{request.Surname}{name}";
|
||||
}
|
||||
else
|
||||
|
||||
if (!ValidateNameLength(name, request))
|
||||
{
|
||||
fragments.Add($"{ch}寓意祥瑞");
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!uniqueNames.Add(name))
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
normalized.Add(new NamingSuggestion
|
||||
{
|
||||
Name = name,
|
||||
Meaning = string.IsNullOrWhiteSpace(meaning) ? "寓意待补充" : meaning.Trim(),
|
||||
ElementReason = string.IsNullOrWhiteSpace(reason) ? "结合八字五行进行补益。" : reason.Trim()
|
||||
});
|
||||
|
||||
if (normalized.Count >= 5)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
var blessing = Blessings[random.Next(Blessings.Length)];
|
||||
var birthFragment = string.IsNullOrWhiteSpace(birthTime)
|
||||
? $"{birthDate}之辰"
|
||||
: $"{birthDate} {birthTime} 时刻";
|
||||
|
||||
return $"{string.Join("，", fragments)}，与{surname}氏气脉相连，于{birthFragment}呼应，{blessing}。";
|
||||
return normalized;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_logger.LogWarning(ex, "解析 DeepSeek 响应失败");
|
||||
return Array.Empty<NamingSuggestion>();
|
||||
}
|
||||
}
|
||||
|
||||
private static bool ValidateNameLength(string fullName, NamingRequest request)
|
||||
{
|
||||
if (string.IsNullOrWhiteSpace(fullName) || fullName.Length <= request.Surname.Length)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
var expectedLength = string.Equals(request.NameLength, "single", StringComparison.OrdinalIgnoreCase) ? 1 : 2;
|
||||
var givenName = fullName.Substring(request.Surname.Length);
|
||||
return givenName.Length == expectedLength;
|
||||
}
|
||||
|
||||
private bool IsDeepSeekConfigInvalid()
|
||||
{
|
||||
return string.IsNullOrWhiteSpace(_deepSeekOptions.ApiKey);
|
||||
}
|
||||
}
|
||||
|
||||
internal static class JsonElementExtensions
|
||||
{
|
||||
public static string GetPropertyOrDefault(this JsonElement element, string propertyName)
|
||||
{
|
||||
if (element.TryGetProperty(propertyName, out var value) && value.ValueKind == JsonValueKind.String)
|
||||
{
|
||||
return value.GetString() ?? string.Empty;
|
||||
}
|
||||
|
||||
return string.Empty;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user